activity
20232026
most citedLCReg: Long-Tailed Image Classification with Latent Categories based Recognition

3 citations · 7 across the 18 of their papers we have counts for

collaborators

22 papers

cs.CV2026

Personalizing MLLMs via Reinforced Multimodal Reference Game

Deepayan Das, Davide Talon, Yiming Wang +2

Personalizing Multimodal Large Language Models (MLLMs) aims to recognize users' unique concepts from visual data and provide personalized responses. Although prior work has shown t…

cs.CV2026

Is SAM3 ready for pathology segmentation?

Qiuyu Kong, Shakiba Sharifi, Yiming Wang +2

Is Segment Anything Model 3 (SAM3) capable in segmenting Any Pathology Images? Digital pathology segmentation spans tissue-level and nuclei-level scales, where traditional methods…

cs.CV2026

EAR: Enhancing Uni-Modal Representations for Weakly Supervised Audio-Visual Video Parsing

Huilai Li, Xiaomeng Di, Ying Xing +3

Weakly supervised Audio-Visual Video Parsing (AVVP) aims to recognize and temporally localize audio, visual, and audio-visual events in videos using only coarse-grained labels. Fac…

cs.CV2026

Motion-Guided Semantic Alignment with Negative Prompts for Zero-Shot Video Action Recognition

Yiming Wang, Frederick W. B. Li, Jingyun Wang

Zero-shot action recognition is challenging due to the semantic gap between seen and unseen classes. We present a novel framework that enhances CLIP with disentangled embeddings an…

cs.CV2026

Specificity-aware reinforcement learning for fine-grained open-world classification

Samuele Angheben, Davide Berasi, Alessandro Conti +2

Classifying fine-grained visual concepts under open-world settings, i.e., without a predefined label set, demands models to be both accurate and specific. Recent reasoning Large Mu…

cs.CV2025

Training-free Online Video Step Grounding

Luca Zanella, Massimiliano Mancini, Yiming Wang +2

Given a task and a set of steps composing it, Video Step Grounding (VSG) aims to detect which steps are performed in a video. Standard approaches for this task require a labeled tr…

cs.CV2025

ConViS-Bench: Estimating Video Similarity Through Semantic Concepts

Benedetta Liberatori, Alessandro Conti, Lorenzo Vaquero +3

What does it mean for two videos to be similar? Videos may appear similar when judged by the actions they depict, yet entirely different if evaluated based on the locations where t…

cs.CV2025

Can Text-to-Video Generation help Video-Language Alignment?

Luca Zanella, Massimiliano Mancini, Willi Menapace +3

Recent video-language alignment models are trained on sets of videos, each with an associated positive caption and a negative caption generated by large language models. A problem…

cs.CV2025

On Large Multimodal Models as Open-World Image Classifiers

Alessandro Conti, Massimiliano Mancini, Enrico Fini +3

Traditional image classification requires a predefined list of semantic categories. In contrast, Large Multimodal Models (LMMs) can sidestep this requirement by classifying images…

cs.CV2025

Training-Free Personalization via Retrieval and Reasoning on Fingerprints

Deepayan Das, Davide Talon, Yiming Wang +2

Vision Language Models (VLMs) have lead to major improvements in multimodal reasoning, yet they still struggle to understand user-specific concepts. Existing personalization method…

cs.CV2024

One VLM to Keep it Learning: Generation and Balancing for Data-free Continual Visual Question Answering

Deepayan Das, Davide Talon, Massimiliano Mancini +2

Vision-Language Models (VLMs) have shown significant promise in Visual Question Answering (VQA) tasks by leveraging web-scale multimodal datasets. However, these models often strug…

cs.CV2024

Retrieval-enriched zero-shot image classification in low-resource domains

Nicola Dall'Asen, Yiming Wang, Enrico Fini +1

Low-resource domains, characterized by scarce data and annotations, present significant challenges for language and visual understanding tasks, with the latter much under-explored…

cs.AI2024

Automatic benchmarking of large multimodal models via iterative experiment programming

Alessandro Conti, Enrico Fini, Paolo Rota +3

Assessing the capabilities of large multimodal models (LMMs) often requires the creation of ad-hoc evaluations. Currently, building new benchmarks requires tremendous amounts of ma…

cs.CV2024★ 1 cited

Vocabulary-free Image Classification and Semantic Segmentation

Alessandro Conti, Enrico Fini, Massimiliano Mancini +3

Large vision-language models revolutionized image classification and semantic segmentation paradigms. However, they typically assume a pre-defined set of categories, or vocabulary,…

cs.CV2024

Test-Time Zero-Shot Temporal Action Localization

Benedetta Liberatori, Alessandro Conti, Paolo Rota +2

Zero-Shot Temporal Action Localization (ZS-TAL) seeks to identify and locate actions in untrimmed videos unseen during training. Existing ZS-TAL methods involve fine-tuning a model…

cs.CV2024★ 2 cited

Harnessing Large Language Models for Training-free Video Anomaly Detection

Luca Zanella, Willi Menapace, Massimiliano Mancini +2

Video anomaly detection (VAD) aims to temporally locate abnormal events in a video. Existing works mostly rely on training deep models to learn the distribution of normality with e…

cs.CV2023

Diversified in-domain synthesis with efficient fine-tuning for few-shot classification

Victor G. Turrisi da Costa, Nicola Dall'Asen, Yiming Wang +2

Few-shot image classification aims to learn an image classifier using only a small set of labeled examples per class. A recent research direction for improving few-shot classifiers…

cs.CV2023

Collaborative Neural Painting

Nicola Dall'Asen, Willi Menapace, Elia Peruzzo +3

The process of painting fosters creativity and rational planning. However, existing generative AI mostly focuses on producing visually pleasant artworks, without emphasizing the pa…

cs.CV2023

Novel class discovery meets foundation models for 3D semantic segmentation

Luigi Riz, Cristiano Saltori, Yiming Wang +2

The task of Novel Class Discovery (NCD) in semantic segmentation entails training a model able to accurately segment unlabelled (novel) classes, relying on the available supervisio…

cs.CV2023

Geometrically-driven Aggregation for Zero-shot 3D Point Cloud Understanding

Guofeng Mei, Luigi Riz, Yiming Wang +1

Zero-shot 3D point cloud understanding can be achieved via 2D Vision-Language Models (VLMs). Existing strategies directly map Vision-Language Models from 2D pixels of rendered or c…

cs.CV2023★ 1 cited

Delving into CLIP latent space for Video Anomaly Recognition

Luca Zanella, Benedetta Liberatori, Willi Menapace +3

We tackle the complex problem of detecting and recognising anomalies in surveillance videos at the frame level, utilising only video-level supervision. We introduce the novel metho…

cs.CV2023★ 3 cited

LCReg: Long-Tailed Image Classification with Latent Categories based Recognition

Weide Liu, Zhonghua Wu, Yiming Wang +4

In this work, we tackle the challenging problem of long-tailed image recognition. Previous long-tailed recognition approaches mainly focus on data augmentation or re-balancing stra…